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Re: pgsql: Fast ALTER TABLE ADD COLUMN with a non-NULL default - Mailing list pgsql-committers

From Andres Freund
Subject Re: pgsql: Fast ALTER TABLE ADD COLUMN with a non-NULL default
Date
Msg-id 20180328010053.i2qvsuuusst4lgmc@alap3.anarazel.de
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In response to pgsql: Fast ALTER TABLE ADD COLUMN with a non-NULL default  (Andrew Dunstan <andrew@dunslane.net>)
Responses Re: pgsql: Fast ALTER TABLE ADD COLUMN with a non-NULL default  (Andrew Dunstan <andrew.dunstan@2ndquadrant.com>)
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Hi,

On 2018-03-28 00:56:10 +0000, Andrew Dunstan wrote:
> Fast ALTER TABLE ADD COLUMN with a non-NULL default

> src/backend/executor/execExprInterp.c       |   2 +-

I bet this'll break JITed tuple deforming... We'll have to emit a call
to the new slot missingattrs function, instead of using memset directly.

Do you want to attempt to take care of it, or should I?

Greetings,

Andres Freund

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